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Categorical Exclusion Determinations: B4.6

Existing Regulations

B4.6: Additions and modifications to transmission facilities
Additions or modifications to electric power transmission facilities within a previously disturbed or developed facility area. Covered activities include, but are not limited to, switchyard rock grounding upgrades, secondary containment projects, paving projects, seismic upgrading, tower modifications, load shaping projects (such as the installation and use of flywheels and battery arrays), changing insulators, and replacement of poles, circuit breakers, conductors, transformers, and crossarms.

Previous Regulations

Categorical Exclusion Determinations dated before November 14th, 2011 were issued under previous DOE NEPA regulations. See the Notice of Final Rulemaking (76 FR 63763, 10/13/2011) for information changes to this categorical exclusion.

DOCUMENTS AVAILABLE FOR DOWNLOAD

  • January 8, 2013

    Rogue-Gold Beach No. 2 Disconnect Switch Replacement
    CX(s) Applied: B4.6
    Date: 01/08/2013
    Location(s): Oregon
    Offices(s): Bonneville Power Administration

  • December 13, 2012

    Ault Substation Drainage Swale Construction
    CX(s) Applied: B4.6
    Date: 12/13/2012
    Location(s): Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • December 11, 2012

    Holyoke Substation Transformer Replacement
    CX(s) Applied: B4.6
    Date: 12/11/2012
    Location(s): Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • December 6, 2012

    Lane Substation 500/230-kV Transformer Phase Separation Project
    CX(s) Applied: B4.6
    Date: 12/06/2012
    Location(s): Oregon
    Offices(s): Bonneville Power Administration

  • December 3, 2012

    FY13 Environmental Drainage Upgrades at Bonneville Power Administration’s Clatsop, Garrison, Lexington, Mapleton, Ovando, Pearl, and Wren Substations
    CX(s) Applied: B4.6
    Date: 12/03/2012
    Location(s): Oregon, Montana, Washington, Oregon, Oregon
    Offices(s): Bonneville Power Administration

  • November 29, 2012

    Spring Creek – Wine County No. 1 Transmission Tower Relocation
    CX(s) Applied: B4.6
    Date: 11/29/2012
    Location(s): Oregon
    Offices(s): Bonneville Power Administration

  • November 1, 2012

    Tucannon River Substation Expansion Project
    CX(s) Applied: B4.6
    Date: 11/01/2012
    Location(s): Washington
    Offices(s): Bonneville Power Administration

  • October 29, 2012

    Relay and Switchboard Panel Replacements
    CX(s) Applied: B4.6
    Date: 10/29/2012
    Location(s): Arkansas
    Offices(s): Southwestern Power Administration

  • September 24, 2012

    Ross Transformer Oil Terminal Upgrade
    CX(s) Applied: B4.6
    Date: 09/24/2012
    Location(s): Washington
    Offices(s): Bonneville Power Administration

  • September 20, 2012

    Willow Creek - Granby Tap 2.4 Kilovolt Distribution Line Structure 0/3A Pole Replacement Project
    CX(s) Applied: B4.6
    Date: 09/20/2012
    Location(s): Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • September 14, 2012

    Port Angeles Substation Equipment Additions
    CX(s) Applied: B4.6
    Date: 09/14/2012
    Location(s): Washington
    Offices(s): Bonneville Power Administration

  • August 24, 2012

    Building 28-33 External Electrical Upgrades
    CX(s) Applied: B1.23, B2.5, B4.6, B4.13
    Date: 08/24/2012
    Location(s): Oregon
    Offices(s): National Energy Technology Laboratory

  • August 20, 2012

    Building 22 Electrical Upgrades
    CX(s) Applied: B2.5, B4.6
    Date: 08/20/2012
    Location(s): Oregon
    Offices(s): National Energy Technology Laboratory

  • August 20, 2012

    Building 29-31 Internal Electrical Upgrades
    CX(s) Applied: B2.1, B2.5, B4.6
    Date: 08/20/2012
    Location(s): Oregon
    Offices(s): National Energy Technology Laboratory

  • August 9, 2012

    Optimization of Electrical Power at the Portsmouth Gaseous Diffusion Facility
    CX(s) Applied: B4.6, B4.11
    Date: 08/09/2012
    Location(s): Ohio
    Offices(s): Portsmouth Paducah Project Office

  • July 30, 2012

    Pilot Butte-La Pine No. 1 Wood Pole Replacement Project
    CX(s) Applied: B4.6
    Date: 07/30/2012
    Location(s): Oregon
    Offices(s): Bonneville Power Administration

  • July 30, 2012

    Line Switch Replacements at Guernsey Rural, Worland, Refinery, Box Butte, and Morrill Taps
    CX(s) Applied: B4.6, B4.11
    Date: 07/30/2012
    Location(s): Wyoming, Nebraska
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • July 25, 2012

    Line Switch Replacements at Chappell and Julesburg Taps in Deuel County, Nebraska and Kersey Tap in Weld, Colorado
    CX(s) Applied: B4.6, B4.11
    Date: 07/25/2012
    Location(s): Nebraska, Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • July 25, 2012

    Midway Substation 230 Kilovolt Upgrades El Paso County, Colorado
    CX(s) Applied: B4.6, B4.11
    Date: 07/25/2012
    Location(s): Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • July 19, 2012

    Hot Springs Substation Gravity Drain Install
    CX(s) Applied: B4.6
    Date: 07/19/2012
    Location(s): Montana
    Offices(s): Bonneville Power Administration

  • July 2, 2012

    Boysen-Thermopolis 115 Kilowolt Transmission Line Structure 15/6 Pole Replacement Project Fremont County, Wyoming
    CX(s) Applied: B4.6
    Date: 07/02/2012
    Location(s): Wyoming
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • June 28, 2012

    Lancaster Line and Load Project
    CX(s) Applied: B4.6, B4.7
    Date: 06/28/2012
    Location(s): Idaho
    Offices(s): Bonneville Power Administration

  • June 20, 2012

    Airport to Boyd 115 Kilovolt Transmission Line Structure Replacements Larimer County, Colorado
    CX(s) Applied: B1.3, B4.6
    Date: 06/20/2012
    Location(s): Colorado
    Offices(s): Western Area Power Administration-Rocky Mountain Region

  • June 18, 2012

    Platform Construction for Power Pole Work
    CX(s) Applied: B1.13, B2.5, B4.6
    Date: 06/18/2012
    Location(s): Wyoming
    Offices(s): RMOTC

  • June 18, 2012

    Platform Construction for Power Pole Work
    CX(s) Applied: B1.13, B2.5, B4.6
    Date: 06/18/2012
    Location(s): Wyoming
    Offices(s): RMOTC